import pytest from helpers.cluster import ClickHouseCluster from helpers.test_tools import assert_eq_with_retry, TSV import os import re import time cluster = ClickHouseCluster(__file__) node = cluster.add_instance('node', config_dir="configs", with_zookeeper=True) node2 = cluster.add_instance('node2', config_dir="configs", with_zookeeper=True) nodes = [node, node2] def copy_policy_xml(local_file_name, reload_immediately = True): script_dir = os.path.dirname(os.path.realpath(__file__)) for current_node in nodes: current_node.copy_file_to_container(os.path.join(script_dir, local_file_name), '/etc/clickhouse-server/users.d/row_policy.xml') if reload_immediately: current_node.query("SYSTEM RELOAD CONFIG") @pytest.fixture(scope="module", autouse=True) def started_cluster(): try: cluster.start() for current_node in nodes: current_node.query(''' CREATE DATABASE mydb ENGINE=Ordinary; CREATE TABLE mydb.filtered_table1 (a UInt8, b UInt8) ENGINE MergeTree ORDER BY a; INSERT INTO mydb.filtered_table1 values (0, 0), (0, 1), (1, 0), (1, 1); CREATE TABLE mydb.table (a UInt8, b UInt8) ENGINE MergeTree ORDER BY a; INSERT INTO mydb.table values (0, 0), (0, 1), (1, 0), (1, 1); CREATE TABLE mydb.filtered_table2 (a UInt8, b UInt8, c UInt8, d UInt8) ENGINE MergeTree ORDER BY a; INSERT INTO mydb.filtered_table2 values (0, 0, 0, 0), (1, 2, 3, 4), (4, 3, 2, 1), (0, 0, 6, 0); CREATE TABLE mydb.filtered_table3 (a UInt8, b UInt8, c UInt16 ALIAS a + b) ENGINE MergeTree ORDER BY a; INSERT INTO mydb.filtered_table3 values (0, 0), (0, 1), (1, 0), (1, 1); CREATE TABLE mydb.`.filtered_table4` (a UInt8, b UInt8, c UInt16 ALIAS a + b) ENGINE MergeTree ORDER BY a; INSERT INTO mydb.`.filtered_table4` values (0, 0), (0, 1), (1, 0), (1, 1); CREATE TABLE mydb.local (a UInt8, b UInt8) ENGINE MergeTree ORDER BY a; ''') node.query("INSERT INTO mydb.local values (2, 0), (2, 1), (1, 0), (1, 1)") node2.query("INSERT INTO mydb.local values (3, 0), (3, 1), (1, 0), (1, 1)") yield cluster finally: cluster.shutdown() @pytest.fixture(autouse=True) def reset_policies(): try: yield finally: copy_policy_xml('normal_filters.xml') for current_node in nodes: current_node.query("DROP POLICY IF EXISTS pA, pB ON mydb.filtered_table1") def test_smoke(): assert node.query("SELECT * FROM mydb.filtered_table1") == TSV([[1,0], [1, 1]]) assert node.query("SELECT * FROM mydb.filtered_table2") == TSV([[0, 0, 0, 0], [0, 0, 6, 0]]) assert node.query("SELECT * FROM mydb.filtered_table3") == TSV([[0, 1], [1, 0]]) assert node.query("SELECT a FROM mydb.filtered_table1") == TSV([[1], [1]]) assert node.query("SELECT b FROM mydb.filtered_table1") == TSV([[0], [1]]) assert node.query("SELECT a FROM mydb.filtered_table1 WHERE a = 1") == TSV([[1], [1]]) assert node.query("SELECT a FROM mydb.filtered_table1 WHERE a IN (1)") == TSV([[1], [1]]) assert node.query("SELECT a = 1 FROM mydb.filtered_table1") == TSV([[1], [1]]) assert node.query("SELECT a FROM mydb.filtered_table3") == TSV([[0], [1]]) assert node.query("SELECT b FROM mydb.filtered_table3") == TSV([[1], [0]]) assert node.query("SELECT c FROM mydb.filtered_table3") == TSV([[1], [1]]) assert node.query("SELECT a + b FROM mydb.filtered_table3") == TSV([[1], [1]]) assert node.query("SELECT a FROM mydb.filtered_table3 WHERE c = 1") == TSV([[0], [1]]) assert node.query("SELECT c = 1 FROM mydb.filtered_table3") == TSV([[1], [1]]) assert node.query("SELECT a + b = 1 FROM mydb.filtered_table3") == TSV([[1], [1]]) def test_join(): assert node.query("SELECT * FROM mydb.filtered_table1 as t1 ANY LEFT JOIN mydb.filtered_table1 as t2 ON t1.a = t2.b") == TSV([[1, 0, 1, 1], [1, 1, 1, 1]]) assert node.query("SELECT * FROM mydb.filtered_table1 as t2 ANY RIGHT JOIN mydb.filtered_table1 as t1 ON t2.b = t1.a") == TSV([[1, 1, 1, 0]]) def test_cannot_trick_row_policy_with_keyword_with(): assert node.query("WITH 0 AS a SELECT * FROM mydb.filtered_table1") == TSV([[1, 0], [1, 1]]) assert node.query("WITH 0 AS a SELECT a, b FROM mydb.filtered_table1") == TSV([[0, 0], [0, 1]]) assert node.query("WITH 0 AS a SELECT a FROM mydb.filtered_table1") == TSV([[0], [0]]) assert node.query("WITH 0 AS a SELECT b FROM mydb.filtered_table1") == TSV([[0], [1]]) def test_prewhere_not_supported(): expected_error = "PREWHERE is not supported if the table is filtered by row-level security" assert expected_error in node.query_and_get_error("SELECT * FROM mydb.filtered_table1 PREWHERE 1") assert expected_error in node.query_and_get_error("SELECT * FROM mydb.filtered_table2 PREWHERE 1") assert expected_error in node.query_and_get_error("SELECT * FROM mydb.filtered_table3 PREWHERE 1") # However PREWHERE should still work for user without filtering. assert node.query("SELECT * FROM mydb.filtered_table1 PREWHERE 1", user="another") == TSV([[0, 0], [0, 1], [1, 0], [1, 1]]) def test_single_table_name(): copy_policy_xml('tag_with_table_name.xml') assert node.query("SELECT * FROM mydb.table") == TSV([[1, 0], [1, 1]]) assert node.query("SELECT * FROM mydb.filtered_table2") == TSV([[0, 0, 0, 0], [0, 0, 6, 0]]) assert node.query("SELECT * FROM mydb.filtered_table3") == TSV([[0, 1], [1, 0]]) assert node.query("SELECT a FROM mydb.table") == TSV([[1], [1]]) assert node.query("SELECT b FROM mydb.table") == TSV([[0], [1]]) assert node.query("SELECT a FROM mydb.table WHERE a = 1") == TSV([[1], [1]]) assert node.query("SELECT a = 1 FROM mydb.table") == TSV([[1], [1]]) assert node.query("SELECT a FROM mydb.filtered_table3") == TSV([[0], [1]]) assert node.query("SELECT b FROM mydb.filtered_table3") == TSV([[1], [0]]) assert node.query("SELECT c FROM mydb.filtered_table3") == TSV([[1], [1]]) assert node.query("SELECT a + b FROM mydb.filtered_table3") == TSV([[1], [1]]) assert node.query("SELECT a FROM mydb.filtered_table3 WHERE c = 1") == TSV([[0], [1]]) assert node.query("SELECT c = 1 FROM mydb.filtered_table3") == TSV([[1], [1]]) assert node.query("SELECT a + b = 1 FROM mydb.filtered_table3") == TSV([[1], [1]]) def test_policy_from_users_xml_affects_only_user_assigned(): assert node.query("SELECT * FROM mydb.filtered_table1") == TSV([[1,0], [1, 1]]) assert node.query("SELECT * FROM mydb.filtered_table1", user="another") == TSV([[0, 0], [0, 1], [1, 0], [1, 1]]) assert node.query("SELECT * FROM mydb.filtered_table2") == TSV([[0, 0, 0, 0], [0, 0, 6, 0]]) assert node.query("SELECT * FROM mydb.filtered_table2", user="another") == TSV([[0, 0, 0, 0], [0, 0, 6, 0], [1, 2, 3, 4], [4, 3, 2, 1]]) assert node.query("SELECT * FROM mydb.local") == TSV([[1,0], [1, 1], [2, 0], [2, 1]]) assert node.query("SELECT * FROM mydb.local", user="another") == TSV([[1, 0], [1, 1]]) def test_custom_table_name(): copy_policy_xml('multiple_tags_with_table_names.xml') assert node.query("SELECT * FROM mydb.table") == TSV([[1, 0], [1, 1]]) assert node.query("SELECT * FROM mydb.filtered_table2") == TSV([[0, 0, 0, 0], [0, 0, 6, 0]]) assert node.query("SELECT * FROM mydb.`.filtered_table4`") == TSV([[0, 1], [1, 0]]) assert node.query("SELECT a FROM mydb.table") == TSV([[1], [1]]) assert node.query("SELECT b FROM mydb.table") == TSV([[0], [1]]) assert node.query("SELECT a FROM mydb.table WHERE a = 1") == TSV([[1], [1]]) assert node.query("SELECT a = 1 FROM mydb.table") == TSV([[1], [1]]) assert node.query("SELECT a FROM mydb.`.filtered_table4`") == TSV([[0], [1]]) assert node.query("SELECT b FROM mydb.`.filtered_table4`") == TSV([[1], [0]]) assert node.query("SELECT c FROM mydb.`.filtered_table4`") == TSV([[1], [1]]) assert node.query("SELECT a + b FROM mydb.`.filtered_table4`") == TSV([[1], [1]]) assert node.query("SELECT a FROM mydb.`.filtered_table4` WHERE c = 1") == TSV([[0], [1]]) assert node.query("SELECT c = 1 FROM mydb.`.filtered_table4`") == TSV([[1], [1]]) assert node.query("SELECT a + b = 1 FROM mydb.`.filtered_table4`") == TSV([[1], [1]]) def test_change_of_users_xml_changes_row_policies(): copy_policy_xml('normal_filters.xml') assert node.query("SELECT * FROM mydb.filtered_table1") == TSV([[1, 0], [1, 1]]) assert node.query("SELECT * FROM mydb.filtered_table2") == TSV([[0, 0, 0, 0], [0, 0, 6, 0]]) assert node.query("SELECT * FROM mydb.filtered_table3") == TSV([[0, 1], [1, 0]]) copy_policy_xml('all_rows.xml') assert node.query("SELECT * FROM mydb.filtered_table1") == TSV([[0, 0], [0, 1], [1, 0], [1, 1]]) assert node.query("SELECT * FROM mydb.filtered_table2") == TSV([[0, 0, 0, 0], [0, 0, 6, 0], [1, 2, 3, 4], [4, 3, 2, 1]]) assert node.query("SELECT * FROM mydb.filtered_table3") == TSV([[0, 0], [0, 1], [1, 0], [1, 1]]) copy_policy_xml('no_rows.xml') assert node.query("SELECT * FROM mydb.filtered_table1") == "" assert node.query("SELECT * FROM mydb.filtered_table2") == "" assert node.query("SELECT * FROM mydb.filtered_table3") == "" copy_policy_xml('normal_filters.xml') assert node.query("SELECT * FROM mydb.filtered_table1") == TSV([[1, 0], [1, 1]]) assert node.query("SELECT * FROM mydb.filtered_table2") == TSV([[0, 0, 0, 0], [0, 0, 6, 0]]) assert node.query("SELECT * FROM mydb.filtered_table3") == TSV([[0, 1], [1, 0]]) copy_policy_xml('no_filters.xml') assert node.query("SELECT * FROM mydb.filtered_table1") == TSV([[0, 0], [0, 1], [1, 0], [1, 1]]) assert node.query("SELECT * FROM mydb.filtered_table2") == TSV([[0, 0, 0, 0], [0, 0, 6, 0], [1, 2, 3, 4], [4, 3, 2, 1]]) assert node.query("SELECT * FROM mydb.filtered_table3") == TSV([[0, 0], [0, 1], [1, 0], [1, 1]]) copy_policy_xml('normal_filters.xml') assert node.query("SELECT * FROM mydb.filtered_table1") == TSV([[1, 0], [1, 1]]) assert node.query("SELECT * FROM mydb.filtered_table2") == TSV([[0, 0, 0, 0], [0, 0, 6, 0]]) assert node.query("SELECT * FROM mydb.filtered_table3") == TSV([[0, 1], [1, 0]]) def test_reload_users_xml_by_timer(): copy_policy_xml('normal_filters.xml') assert node.query("SELECT * FROM mydb.filtered_table1") == TSV([[1, 0], [1, 1]]) assert node.query("SELECT * FROM mydb.filtered_table2") == TSV([[0, 0, 0, 0], [0, 0, 6, 0]]) assert node.query("SELECT * FROM mydb.filtered_table3") == TSV([[0, 1], [1, 0]]) time.sleep(1) # The modification time of the 'row_policy.xml' file should be different. copy_policy_xml('all_rows.xml', False) assert_eq_with_retry(node, "SELECT * FROM mydb.filtered_table1", [[0, 0], [0, 1], [1, 0], [1, 1]]) assert_eq_with_retry(node, "SELECT * FROM mydb.filtered_table2", [[0, 0, 0, 0], [0, 0, 6, 0], [1, 2, 3, 4], [4, 3, 2, 1]]) assert_eq_with_retry(node, "SELECT * FROM mydb.filtered_table3", [[0, 0], [0, 1], [1, 0], [1, 1]]) time.sleep(1) # The modification time of the 'row_policy.xml' file should be different. copy_policy_xml('normal_filters.xml', False) assert_eq_with_retry(node, "SELECT * FROM mydb.filtered_table1", [[1, 0], [1, 1]]) assert_eq_with_retry(node, "SELECT * FROM mydb.filtered_table2", [[0, 0, 0, 0], [0, 0, 6, 0]]) assert_eq_with_retry(node, "SELECT * FROM mydb.filtered_table3", [[0, 1], [1, 0]]) def test_introspection(): policies = [ ["another ON mydb.filtered_table1", "another", "mydb", "filtered_table1", "6068883a-0e9d-f802-7e22-0144f8e66d3c", "users.xml", "1", 0, 0, "['another']", "[]"], ["another ON mydb.filtered_table2", "another", "mydb", "filtered_table2", "c019e957-c60b-d54e-cc52-7c90dac5fb01", "users.xml", "1", 0, 0, "['another']", "[]"], ["another ON mydb.filtered_table3", "another", "mydb", "filtered_table3", "4cb080d0-44e8-dbef-6026-346655143628", "users.xml", "1", 0, 0, "['another']", "[]"], ["another ON mydb.local", "another", "mydb", "local", "5b23c389-7e18-06bf-a6bc-dd1afbbc0a97", "users.xml", "a = 1", 0, 0, "['another']", "[]"], ["default ON mydb.filtered_table1", "default", "mydb", "filtered_table1", "9e8a8f62-4965-2b5e-8599-57c7b99b3549", "users.xml", "a = 1", 0, 0, "['default']", "[]"], ["default ON mydb.filtered_table2", "default", "mydb", "filtered_table2", "cffae79d-b9bf-a2ef-b798-019c18470b25", "users.xml", "a + b < 1 or c - d > 5", 0, 0, "['default']", "[]"], ["default ON mydb.filtered_table3", "default", "mydb", "filtered_table3", "12fc5cef-e3da-3940-ec79-d8be3911f42b", "users.xml", "c = 1", 0, 0, "['default']", "[]"], ["default ON mydb.local", "default", "mydb", "local", "cdacaeb5-1d97-f99d-2bb0-4574f290629c", "users.xml", "1", 0, 0, "['default']", "[]"] ] assert node.query("SELECT * from system.row_policies ORDER BY short_name, database, table") == TSV(policies) def test_dcl_introspection(): assert node.query("SHOW POLICIES") == TSV(["another ON mydb.filtered_table1", "another ON mydb.filtered_table2", "another ON mydb.filtered_table3", "another ON mydb.local", "default ON mydb.filtered_table1", "default ON mydb.filtered_table2", "default ON mydb.filtered_table3", "default ON mydb.local"]) assert node.query("SHOW POLICIES ON mydb.filtered_table1") == TSV([ "another", "default" ]) assert node.query("SHOW POLICIES ON mydb.local") == TSV([ "another", "default" ]) assert node.query("SHOW POLICIES ON mydb.*") == TSV([ "another ON mydb.filtered_table1", "another ON mydb.filtered_table2", "another ON mydb.filtered_table3", "another ON mydb.local", "default ON mydb.filtered_table1", "default ON mydb.filtered_table2", "default ON mydb.filtered_table3", "default ON mydb.local" ]) assert node.query("SHOW POLICIES default") == TSV([ "default ON mydb.filtered_table1", "default ON mydb.filtered_table2", "default ON mydb.filtered_table3", "default ON mydb.local" ]) assert node.query("SHOW CREATE POLICY default ON mydb.filtered_table1") == "CREATE ROW POLICY default ON mydb.filtered_table1 FOR SELECT USING a = 1 TO default\n" assert node.query("SHOW CREATE POLICY default ON mydb.filtered_table2") == "CREATE ROW POLICY default ON mydb.filtered_table2 FOR SELECT USING ((a + b) < 1) OR ((c - d) > 5) TO default\n" assert node.query("SHOW CREATE POLICY default ON mydb.filtered_table3") == "CREATE ROW POLICY default ON mydb.filtered_table3 FOR SELECT USING c = 1 TO default\n" assert node.query("SHOW CREATE POLICY default ON mydb.local") == "CREATE ROW POLICY default ON mydb.local FOR SELECT USING 1 TO default\n" assert node.query("SHOW CREATE POLICY default") == TSV([ "CREATE ROW POLICY default ON mydb.filtered_table1 FOR SELECT USING a = 1 TO default", "CREATE ROW POLICY default ON mydb.filtered_table2 FOR SELECT USING ((a + b) < 1) OR ((c - d) > 5) TO default", "CREATE ROW POLICY default ON mydb.filtered_table3 FOR SELECT USING c = 1 TO default", "CREATE ROW POLICY default ON mydb.local FOR SELECT USING 1 TO default" ]) assert node.query("SHOW CREATE POLICIES ON mydb.filtered_table1") == TSV([ "CREATE ROW POLICY another ON mydb.filtered_table1 FOR SELECT USING 1 TO another", "CREATE ROW POLICY default ON mydb.filtered_table1 FOR SELECT USING a = 1 TO default" ]) assert node.query("SHOW CREATE POLICIES ON mydb.*") == TSV([ "CREATE ROW POLICY another ON mydb.filtered_table1 FOR SELECT USING 1 TO another", "CREATE ROW POLICY another ON mydb.filtered_table2 FOR SELECT USING 1 TO another", "CREATE ROW POLICY another ON mydb.filtered_table3 FOR SELECT USING 1 TO another", "CREATE ROW POLICY another ON mydb.local FOR SELECT USING a = 1 TO another", "CREATE ROW POLICY default ON mydb.filtered_table1 FOR SELECT USING a = 1 TO default", "CREATE ROW POLICY default ON mydb.filtered_table2 FOR SELECT USING ((a + b) < 1) OR ((c - d) > 5) TO default", "CREATE ROW POLICY default ON mydb.filtered_table3 FOR SELECT USING c = 1 TO default", "CREATE ROW POLICY default ON mydb.local FOR SELECT USING 1 TO default" ]) assert node.query("SHOW CREATE POLICIES") == TSV([ "CREATE ROW POLICY another ON mydb.filtered_table1 FOR SELECT USING 1 TO another", "CREATE ROW POLICY another ON mydb.filtered_table2 FOR SELECT USING 1 TO another", "CREATE ROW POLICY another ON mydb.filtered_table3 FOR SELECT USING 1 TO another", "CREATE ROW POLICY another ON mydb.local FOR SELECT USING a = 1 TO another", "CREATE ROW POLICY default ON mydb.filtered_table1 FOR SELECT USING a = 1 TO default", "CREATE ROW POLICY default ON mydb.filtered_table2 FOR SELECT USING ((a + b) < 1) OR ((c - d) > 5) TO default", "CREATE ROW POLICY default ON mydb.filtered_table3 FOR SELECT USING c = 1 TO default", "CREATE ROW POLICY default ON mydb.local FOR SELECT USING 1 TO default" ]) expected_access = "CREATE ROW POLICY another ON mydb.filtered_table1 FOR SELECT USING 1 TO another\n"\ "CREATE ROW POLICY another ON mydb.filtered_table2 FOR SELECT USING 1 TO another\n"\ "CREATE ROW POLICY another ON mydb.filtered_table3 FOR SELECT USING 1 TO another\n"\ "CREATE ROW POLICY another ON mydb.local FOR SELECT USING a = 1 TO another\n"\ "CREATE ROW POLICY default ON mydb.filtered_table1 FOR SELECT USING a = 1 TO default\n"\ "CREATE ROW POLICY default ON mydb.filtered_table2 FOR SELECT USING ((a + b) < 1) OR ((c - d) > 5) TO default\n"\ "CREATE ROW POLICY default ON mydb.filtered_table3 FOR SELECT USING c = 1 TO default\n"\ "CREATE ROW POLICY default ON mydb.local FOR SELECT USING 1 TO default\n" assert expected_access in node.query("SHOW ACCESS") copy_policy_xml('all_rows.xml') assert node.query("SHOW POLICIES") == TSV(["another ON mydb.filtered_table1", "another ON mydb.filtered_table2", "another ON mydb.filtered_table3", "default ON mydb.filtered_table1", "default ON mydb.filtered_table2", "default ON mydb.filtered_table3"]) assert node.query("SHOW CREATE POLICY default ON mydb.filtered_table1") == "CREATE ROW POLICY default ON mydb.filtered_table1 FOR SELECT USING 1 TO default\n" assert node.query("SHOW CREATE POLICY default ON mydb.filtered_table2") == "CREATE ROW POLICY default ON mydb.filtered_table2 FOR SELECT USING 1 TO default\n" assert node.query("SHOW CREATE POLICY default ON mydb.filtered_table3") == "CREATE ROW POLICY default ON mydb.filtered_table3 FOR SELECT USING 1 TO default\n" copy_policy_xml('no_rows.xml') assert node.query("SHOW POLICIES") == TSV(["another ON mydb.filtered_table1", "another ON mydb.filtered_table2", "another ON mydb.filtered_table3", "default ON mydb.filtered_table1", "default ON mydb.filtered_table2", "default ON mydb.filtered_table3"]) assert node.query("SHOW CREATE POLICY default ON mydb.filtered_table1") == "CREATE ROW POLICY default ON mydb.filtered_table1 FOR SELECT USING NULL TO default\n" assert node.query("SHOW CREATE POLICY default ON mydb.filtered_table2") == "CREATE ROW POLICY default ON mydb.filtered_table2 FOR SELECT USING NULL TO default\n" assert node.query("SHOW CREATE POLICY default ON mydb.filtered_table3") == "CREATE ROW POLICY default ON mydb.filtered_table3 FOR SELECT USING NULL TO default\n" copy_policy_xml('no_filters.xml') assert node.query("SHOW POLICIES") == "" def test_dcl_management(): copy_policy_xml('no_filters.xml') assert node.query("SHOW POLICIES") == "" node.query("CREATE POLICY pA ON mydb.filtered_table1 FOR SELECT USING ab") assert node.query("SELECT * FROM mydb.filtered_table1") == TSV([[1, 0]]) node.query("ALTER POLICY pA ON mydb.filtered_table1 RENAME TO pB") assert node.query("SELECT * FROM mydb.filtered_table1") == TSV([[1, 0]]) assert node.query("SHOW POLICIES ON mydb.filtered_table1") == "pB\n" assert node.query("SHOW CREATE POLICY pB ON mydb.filtered_table1") == "CREATE ROW POLICY pB ON mydb.filtered_table1 FOR SELECT USING a > b TO default\n" node.query("DROP POLICY pB ON mydb.filtered_table1") assert node.query("SELECT * FROM mydb.filtered_table1") == TSV([[0, 0], [0, 1], [1, 0], [1, 1]]) assert node.query("SHOW POLICIES") == "" def test_users_xml_is_readonly(): assert re.search("storage is readonly", node.query_and_get_error("DROP POLICY default ON mydb.filtered_table1")) def test_miscellaneous_engines(): copy_policy_xml('normal_filters.xml') # ReplicatedMergeTree node.query("DROP TABLE mydb.filtered_table1") node.query("CREATE TABLE mydb.filtered_table1 (a UInt8, b UInt8) ENGINE ReplicatedMergeTree('/clickhouse/tables/00-00/filtered_table1', 'replica1') ORDER BY a") node.query("INSERT INTO mydb.filtered_table1 values (0, 0), (0, 1), (1, 0), (1, 1)") assert node.query("SELECT * FROM mydb.filtered_table1") == TSV([[1, 0], [1, 1]]) # CollapsingMergeTree node.query("DROP TABLE mydb.filtered_table1") node.query("CREATE TABLE mydb.filtered_table1 (a UInt8, b Int8) ENGINE CollapsingMergeTree(b) ORDER BY a") node.query("INSERT INTO mydb.filtered_table1 values (0, 1), (0, 1), (1, 1), (1, 1)") assert node.query("SELECT * FROM mydb.filtered_table1") == TSV([[1, 1], [1, 1]]) # ReplicatedCollapsingMergeTree node.query("DROP TABLE mydb.filtered_table1") node.query("CREATE TABLE mydb.filtered_table1 (a UInt8, b Int8) ENGINE ReplicatedCollapsingMergeTree('/clickhouse/tables/00-00/filtered_table1', 'replica1', b) ORDER BY a") node.query("INSERT INTO mydb.filtered_table1 values (0, 1), (0, 1), (1, 1), (1, 1)") assert node.query("SELECT * FROM mydb.filtered_table1") == TSV([[1, 1], [1, 1]]) # DistributedMergeTree node.query("DROP TABLE IF EXISTS mydb.not_filtered_table") node.query("CREATE TABLE mydb.not_filtered_table (a UInt8, b UInt8) ENGINE Distributed('test_local_cluster', mydb, local)") assert node.query("SELECT * FROM mydb.not_filtered_table", user="another") == TSV([[1, 0], [1, 1], [1, 0], [1, 1]]) assert node.query("SELECT sum(a), b FROM mydb.not_filtered_table GROUP BY b ORDER BY b", user="another") == TSV([[2, 0], [2, 1]])